@charset "utf-8";
* {
	padding: 0;
	margin: 0;
}
.ball,.add {
	width: 20px;
	height: 20px;		
	border-radius: 10px;		
	background-color: blue;
	cursor: pointer;
	position: absolute;
	z-index: 999;
}
.add {
	line-height: 20px;
	text-align: center;
	font-weight: bold;
	color: #fff;
	left: 50px;
	z-index: 998;
}
.add1 {
	top: 50px;		
}
.add2 {
	top: 200px;
}
.add3 {
	top: 350px;
}
.end {
	width: 50px;
	height: 50px;
	border-radius: 0 0 20px 20px;
	background-color: blue;
	position: absolute;
	top: 500px;
	left: 290px;
	z-index: 1000;
}